How To Fix TR_OLE021 - Enter a table key

SAP Error Message - Details

• Message type: E = Error

• Message class: TR_OLE - Messages for Object List Editor in CTS

• Message number: 021

• Message text: Enter a table key

What causes this issue?

You have included the object &V1& &V2& &V3& manually in the object
list. However, the entry is not complete until you have also maintained
some additional key entries.

How to fix this error?

Double-click the object to go to the key list editor, where you can
create missing key entries.
Note
If you want to create all entries of a table, you will overwrite all
entries in this table if you transport the request or task into the
target system.
All entries that do not exist in the source system will also be deleted
in the target system.
To create all entries in a table, enter an asterisk '*' as the first
character when you maintain the keys.

Error message extract from SAP system. Copyright SAP SE.